EP3679260A1 - Assembly for connecting an adapter shaft to a shaft in a force-fitting manner using a clamping ring - Google Patents
Assembly for connecting an adapter shaft to a shaft in a force-fitting manner using a clamping ringInfo
- Publication number
- EP3679260A1 EP3679260A1 EP18762006.7A EP18762006A EP3679260A1 EP 3679260 A1 EP3679260 A1 EP 3679260A1 EP 18762006 A EP18762006 A EP 18762006A EP 3679260 A1 EP3679260 A1 EP 3679260A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adapter shaft
- covered
- recess
- axial
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012080 ambient air Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000008602 contraction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0847—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to a radial screw
Definitions
- the invention relates to an arrangement for the frictional connection of an adapter shaft with a shaft by means of a clamping ring.
- the invention is therefore the object of developing a positive connection between the shaft and the adapter shaft. According to the invention the object is achieved in the arrangement according to the features specified in claim 1.
- clamping ring is fitted onto the adapter shaft, wherein the shaft is inserted into the adapter shaft, wherein the clamping ring has a radially continuous threaded hole, in which a Screw, in particular threaded pin, is screwed, which presses on the adapter shaft, wherein a cylinder pin is received in a first recess of the clamping ring, which projects radially inward into a second recess which is inserted into the adapter shaft, in particular protrudes, in particular for formation one in the axial direction and in
- the advantage here is that a captive is formed, in particular both in the axial direction and in the circumferential direction.
- the invention is easy to implement and requires no further special means with the exception of the cylinder bolt, so a circular disc-like part.
- the adapter shaft is elastically deflectable and thus pressed against the hollow shaft as soon as the threaded pin presses on the adapter shaft.
- the contracting, in particular the shrinking causes.
- the depressions are not continuous, especially not on the adapter shaft and not on the clamping ring.
- the invention improves the safety of a non-positive connection between the shaft and the adapter shaft by a clamping ring for contracting, in particular shrinking, the Hohlwellenberiech having an adapter shaft is used, the captive, especially in the axial direction and circumferentially captive on the adapter shaft is arranged.
- the adapter shaft to axial slots, in particular in the circumferential direction spaced apart axial slots, in particular in the circumferential direction regularly spaced axial slots.
- Adapter shaft is deformable without much effort and that the deformation does not allow wave formation in the circumferential direction. Because without axial slots, there is the risk that the adapter shaft when pressing the threaded pin to the adapter shaft no in
- Circumferentially circumferentially radially directed sinusoidal waveforms forms but that the adapter shaft rests as evenly as possible on the solid shaft.
- the second recess overlaps with one of
- Axial slots ie in particular the area axially covered by the second recess, overlap with the area axially covered by the axial slot and / or thus with that of the second recess In the circumferential direction covered area overlaps with that of the axial slot in
- Circumferential area covered area The advantage here is that the cylinder pin presses two areas of the adapter shaft against the solid shaft. In this case, a slight displacement or expansion of the regions in the circumferential direction or against the circumferential direction, ie the slot area is made possible.
- the cylinder pin is designed as a disc, in particular as a fully cylindrical disc.
- the shaft is inserted into a region of the adapter shaft designed as a hollow shaft region, in particular being arranged coaxially with the adapter shaft.
- the shaft is receivable in the adapter shaft and is centered on the axis of rotation of the adapter shaft.
- the one or more axial slots open at the axial end of the adapter shaft in the ambient air.
- the adapter shaft has a high elasticity in the axial end region.
- the first recess and the second recess are arranged diametrically to each other, so in particular so have their centers or centers in the circumferential direction at a distance of 180 °. The advantage here is that the
- Arrangement is balanced. For this purpose, it is particularly important that the volume of material taken out for the first recess during manufacture equals the volume of material taken out for the second recess.
- the adapter shaft in particular between the second recess and the axial end of the adapter shaft, at its axial end portion a chamfer, in particular insertion bevel, which leads to the second recess when plugging the clamping ring on the cylinder pin.
- the adapter shaft in particular the axial end, extended radially outward.
- the adapter shaft is radially less expanded in an axial region between the region axially covered by the second recess and the axial end of the adapter shaft in the region covered by the second depression in the circumferential direction than in one, in particular each, another, in particular Circumferential direction, diametrically opposite area.
- Cylinder bolt is introduced with little effort in the second recess and is then held by the elastic extension of the adapter shaft.
- the maximum radial distance of the adapter shaft increases in an axial region between the area axially covered by the second recess and the axial end of the adapter shaft from the region circumferentially covered by the second depression to the area covered by the first depression in the circumferential direction.
- the first recess is rectangular and / or tangentially aligned.
- the advantage here is that a simple production as a tangential planar flattening is executable.
- the second recess is rectangular and / or has a non-passing through the adapter shaft in particular circular blind hole.
- the profile of the maximum radial distance of the adapter shaft in the axial direction has a local minimum in the axial region covered by the second depression.
- the region axially covered by the first depression overlaps with the region axially covered by the second depression. It is advantageous that the two devices are arranged corresponding to each other and thus the cylinder pin can be arranged hineinragbar in both.
- the adapter shaft has a chamfer, in particular
- the advantage here is that in the same axial range a
- FIG 1 is a longitudinal section through a clamping unit, having an adapter shaft 1 with attached clamping ring 4, shown.
- FIG. 2 shows an oblique view from a first viewing direction on the adapter shaft 1.
- FIG. 3 shows an oblique view from another viewing direction on the adapter shaft 1.
- the clamping unit is shown exploded.
- the clamping unit is shown prior to insertion of the adapter shaft 1 in the clamping ring.
- the clamping unit is shown cut in an oblique view.
- the adapter shaft 1 has a hollow shaft portion having axially extending slots, that is, axial slots.
- the axial slots are regularly spaced from each other in the circumferential direction and extend from the axially outer first Endberiech the adapter shaft 1 to an axial position which is located outside of the covered by the clamping ring 4 axial region.
- the preferred number of slots is three.
- a solid shaft not shown in the figures is introduced.
- this solid shaft is surrounded by the adapter shaft 1 radially.
- a threaded pin 2 is screwed into a through the clamping ring 4 radially continuous threaded hole and presses on a arranged on the adapter shaft 1 flattening 20th
- the flattening 20 is executed on the outside of the adapter shaft 1 and aligned tangentially to the central axis or axis of rotation of the adapter shaft.
- the adapter shaft 1 is cylindrical at its outer circumference, with the exception of the axial slots and a further depression with a bottom surface 30.
- the threaded pin 2 presses on the flattening 20.
- the particular radially directed recess with bottom surface 30 is arranged diametrically opposite the flat 20 and serves as a pressure surface for a
- Cylinder pin 3 which is formed in a particular radially directed recess on the inner circumference of the clamping ring 4. In this case, the cylinder pin 3 engages in the recess and is held by means of another recess in the clamping ring.
- the cylinder pin 3 is first inserted into the particular radially directed recess on the inner circumference of the clamping ring 4 and then the clamping ring 4 is pushed onto the adapter shaft 1.
- a chamfer 41 acts as an insertion, a smooth sliding the adapter shaft 1 on the in the clamping ring. 4
- the chamfer 41 is arranged in the axial end region of the adapter shaft 1, ie between the axial end and the recess with bottom surface 30.
- the chamfer 41 extends in Circumferential direction only partially, in particular, it covers less than 180 ° in the circumferential direction.
- a radially outstanding bead 40 is formed, but which does not have to extend over the entire remaining circumferential angle range but preferably only over that circumferential angle range, which of the flattening 20 in
- Circumferential direction is covered.
- the bead 40 is preferably formed in that the flattening 20 is worked into a cylindrical area and thus arises at the edge of the bead 40.
- Chamfer 41 axially covered area or includes him.
- the Radialabstandsberiech covered by chamfer 41 is smaller than that of the bead 40 covered
- the respective recess thus surrounds the cylinder pin 3 and thus acts as
- the recess with bottom surface 30 is preferably designed as a countersink in the adapter shaft 1.
- the adapter shaft 1, the threaded pin 2 and the cylinder pin 3 and the clamping ring 4 thus form a system for non-positive connection.
- the invention thus enables a clamping connection, in particular
- Shrink disk connection between an adapter shaft and a shaft, in particular solid shaft.
- the bead 40 thus also allows in the axial direction an additional positive boundary of the threaded pin. 2
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017008435 | 2017-09-08 | ||
PCT/EP2018/025219 WO2019048081A1 (en) | 2017-09-08 | 2018-08-21 | Assembly for connecting an adapter shaft to a shaft in a force-fitting manner using a clamping ring |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3679260A1 true EP3679260A1 (en) | 2020-07-15 |
EP3679260B1 EP3679260B1 (en) | 2022-04-20 |
Family
ID=63407171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18762006.7A Active EP3679260B1 (en) | 2017-09-08 | 2018-08-21 | Assembly for connecting an adapter shaft to a shaft in a force-fitting manner using a clamping ring |
Country Status (5)
Country | Link |
---|---|
US (1) | US11614124B2 (en) |
EP (1) | EP3679260B1 (en) |
CN (1) | CN111065833B (en) |
DE (1) | DE102018006591A1 (en) |
WO (1) | WO2019048081A1 (en) |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2221371A (en) | 1938-02-11 | 1940-11-12 | Bethune Gaston S P De | Shaft coupling |
US2437305A (en) * | 1944-09-07 | 1948-03-09 | Arthur G Nickle | Retaining means for setscrews in bearing inner races |
US3507508A (en) * | 1968-07-24 | 1970-04-21 | Edward N Andrews | Toolholder bushing |
US3680404A (en) * | 1970-11-02 | 1972-08-01 | David Firth | Variable pitch sheave |
US4252458A (en) * | 1976-05-07 | 1981-02-24 | Taper Line, Inc. | Locking self-aligning coupler and locking apparatus |
US4479669A (en) * | 1982-04-01 | 1984-10-30 | Hydril Company | Pipe connector with threaded latch screws |
DE3340130C1 (en) * | 1983-11-05 | 1985-03-21 | Jean Walterscheid Gmbh, 5204 Lohmar | Shaft connection |
US5374135A (en) * | 1993-08-12 | 1994-12-20 | Moore Business Forms, Inc. | Mounting machine with ready transportability |
US6905249B2 (en) * | 2003-02-24 | 2005-06-14 | Delaware Capital Formation, Inc. | Bearing locking mechanism |
DE102004011361C5 (en) * | 2004-03-05 | 2009-09-17 | Neugart Gmbh | Connection of a slotted hollow shaft or the like with a shaft or a counterpart |
CN2797742Y (en) * | 2005-04-30 | 2006-07-19 | 浙江新昌皮尔轴承有限公司 | Bearing assembly |
US20060291764A1 (en) * | 2005-06-23 | 2006-12-28 | The Timken Company | Clamping arrangement for securing an annular component to a shaft |
US7306375B2 (en) | 2005-11-02 | 2007-12-11 | Peer Bearing Company | Bearing locking collar retainer |
DE102006003445A1 (en) * | 2006-01-25 | 2007-08-02 | B. Ketterer Söhne GmbH & Co. KG | Plug coupling especially between tubular section and insert is secured by locking plugs through locking holes and engaging locking profiles in the insert |
DE102011013887B4 (en) * | 2011-03-07 | 2017-06-29 | Stöber Antriebstechnik GmbH & Co. KG | Clamping coupling for non-rotatable connection of two rotating parts, preferably shaft and hub |
JP5917381B2 (en) * | 2012-12-04 | 2016-05-11 | 住友重機械工業株式会社 | Shaft connection structure |
US9382948B1 (en) * | 2012-12-17 | 2016-07-05 | Deere & Company | Rotary apparatus with adaptor collar |
CN105121881B (en) * | 2013-05-23 | 2018-06-22 | 索尤若驱动有限及两合公司 | Connecting structure of shaft hub and decelerating motor |
DE102013113639B3 (en) * | 2013-12-06 | 2014-10-30 | Sick Stegmann Gmbh | Fastening device for concentrically attaching a shaft to a shaft encoder and motor feedback system with this attachment |
CN203835994U (en) * | 2014-05-12 | 2014-09-17 | 温岭市宇龙宣机电有限公司 | Coupler |
DE102014113783A1 (en) * | 2014-09-23 | 2016-03-24 | Apex Dynamics, Inc. | Input shaft arrangement for a rotary drive |
US9587672B1 (en) * | 2015-08-11 | 2017-03-07 | Lufkin Industries, Llc | Adjustable offset pivot journal pad |
US9822818B1 (en) * | 2016-07-13 | 2017-11-21 | Baldor Electric Company | Bearing assembly with combination set screw and concentric shaft locking mechanism |
US11857075B2 (en) * | 2021-02-17 | 2024-01-02 | Salto, Llc | Wall-mountable accessory |
-
2018
- 2018-08-21 WO PCT/EP2018/025219 patent/WO2019048081A1/en unknown
- 2018-08-21 DE DE102018006591.0A patent/DE102018006591A1/en active Pending
- 2018-08-21 CN CN201880057281.0A patent/CN111065833B/en active Active
- 2018-08-21 EP EP18762006.7A patent/EP3679260B1/en active Active
- 2018-08-21 US US16/645,783 patent/US11614124B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11614124B2 (en) | 2023-03-28 |
WO2019048081A1 (en) | 2019-03-14 |
EP3679260B1 (en) | 2022-04-20 |
CN111065833A (en) | 2020-04-24 |
DE102018006591A1 (en) | 2019-03-14 |
CN111065833B (en) | 2022-06-03 |
US20200271163A1 (en) | 2020-08-27 |
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